Home / 354,945.16-489,907.22-234,108.04

Finding the Fourth Proportional to 354,945.16, 489,907.22 and 234,108.04

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Solution

The fourth proportional to 354,945.16, 489,907.22 and 234,108.04 is: 323,123.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,945.16 : 489,907.22 = 234,108.04 : x
  2. Step 2: Convert to fraction form
    354,945.16/489,907.22 = 234,108.04/x
  3. Step 3: Cross multiply
    354,945.16x = 489,907.22 × 234,108.04
  4. Step 4: Simplify right side
    354,945.16x = 114,691,219,056.05
  5. Step 5: Solve for x
    x = 114,691,219,056.05/354,945.16
  6. Step 6: Final answer
    x = 323,123.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.